/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMBlueprintCompiler.h
Merges macros/subgraphs into the graph and validates it, creating a function list entry if it's reasonable.
virtual void ProcessOneFunctionGraph ( [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * SourceGraph, bool bInternalFunction )